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A folded portable power

By folding a paper-based Li-ion battery, Arizona State University scientists have proven that you can increase the areal energy, density, and capacity by 14 times, due to its smaller footprint.

Paper-based batteries are attractive to markets, due to their low-cost, roll-to-roll fabrication methods and flexibility.

Li-ion batteries could be applied to a wide range of portable electrical devices, including devices that could be folded up.

Read more at Arizona State University

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